Returns the boolean value of the specified Property from a [[Thing]]. If the Property is not present or its value is not of type boolean, returns null. If the Property has multiple boolean values, returns one of its values.
The [[Thing]] to read a boolean value from.
The Property whose boolean value to return.
A boolean value for the given Property if present, or null if the Property is not present or the value is not of type boolean.
Returns the boolean value of the specified Property from a [[Thing]]. If the Property is not present or its value is not of type boolean, returns null. If the Property has multiple boolean values, returns one of its values.